Basic file uploader with AJAX flow

Button based, old style.

4dev/database/function/edit_log_partition_insert.sql

@@ -0,0 +1,59 @@
+CREATE OR REPLACE FUNCTION edit_log_insert_trigger ()
+RETURNS TRIGGER AS
+$$
+DECLARE
+	start_date DATE := '2010-01-01';
+	end_date DATE;
+	timeformat TEXT := 'YYYY';
+	selector TEXT := 'year';
+	_interval INTERVAL;
+	table_name TEXT;
+BEGIN
+	-- get year and month from edit_log date so we can build the target edit_log table
+
+	-- move interval
+	_interval := '1 ' || selector;
+	-- current table name
+	table_name := 'edit_log_' || to_char(NEW.event_date, timeformat);
+
+	-- we are in valid start time area
+	IF (NEW.event_date >= start_date) THEN
+		BEGIN
+			EXECUTE 'INSERT INTO ' || quote_ident(table_name) || ' SELECT ($1).*' USING NEW;
+		-- if insert failed because of missing table, create new below
+		EXCEPTION
+		WHEN undefined_table THEN
+			-- another block, so in case the creation fails here too
+			BEGIN
+				-- create new talbe here + all indexes
+				start_date := date_trunc(selector, NEW.event_date);
+				end_date := date_trunc(selector, NEW.event_date + _interval);
+				-- creat table
+				EXECUTE 'CREATE TABLE IF NOT EXISTS ' || quote_ident(table_name) || ' ( CHECK ( event_date >= ' || quote_literal(start_date) || ' AND event_date < ' || quote_literal(end_date) || ' ) ) INHERITS (edit_log)';
+				-- create all indexes and triggers
+				EXECUTE 'ALTER TABLE ' || quote_ident(table_name) || ' ADD PRIMARY KEY (edit_log_id)';
+				-- FK constraints
+				EXECUTE 'ALTER TABLE ' || quote_ident(table_name) || ' ADD CONSTRAINT fk_' || quote_ident(table_name) || '_euid_fkey FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE CASCADE';
+				-- generic trigger
+				EXECUTE 'CREATE TRIGGER trg_' || quote_ident(table_name) || ' BEFORE INSERT OR UPDATE ON ' || quote_ident(table_name) || ' FOR EACH ROW EXECUTE PROCEDURE set_edit_generic()';
+
+				-- insert try again
+				EXECUTE 'INSERT INTO ' || quote_ident(table_name) || ' SELECT ($1).*' USING NEW;
+			EXCEPTION
+			WHEN OTHERS THEN
+				-- if this faled, throw it into the overflow table (so we don't loose anything)
+				INSERT INTO edit_log_overflow VALUES (NEW.*);
+			END;
+		-- other errors, insert into overlow
+		WHEN OTHERS THEN
+			-- if this faled, throw it into the overflow table (so we don't loose anything)
+			INSERT INTO edit_log_overflow VALUES (NEW.*);
+		END;
+	ELSE
+		-- if outside valid date, insert into overflow
+		INSERT INTO edit_log_overflow VALUES (NEW.*);
+	END IF;
+	RETURN NULL;
+END
+$$
+LANGUAGE 'plpgsql'